Matthew is right, you should contact Dr. Frye if you don't have any other options, but it will take a few days at least probably, the frog needs treatment now. I personally would wait for a day applying localized treatment using systemic drugs as a last resort.
have you set it in hospital tank and put polysporine/bactrine on? flamazine would be the best to use, not sure if it is available to you)

do you have any vet close? I would call them and ask if they can prescribe your frog antibiotics, they should have access to VIN to check the dosage, or i can pm it to you to tell them if you want.